List of drugs: K
- K+
- K+8
- K+10
- K-Dur
- K-Lease
- K-Tab
- Kabiven
- Kadcyla
- Kadian
- Kayfanda
- Kafocin
- Kainair
- kainic acid
- Kaitlib Fe
- kalafungin
- Kalbitor
- Kaletra
- Kalexate
- kallidinogenase
- Kalliga
- Kalydeco
- kanamycin
- Kanjinti
- Kantrex
- Kanuma
- Kaon Cl-10
- Kaon Cl
- Kapidex
- Kappadione
- Kapruvia
- Kapspargo sprinkle
- Kapvay
- Karbinal ER
- Kariva
- Katerzia
- Kavigale
- Kayexalate
- Kazano
- Kebilidi
- kebuzone
- Kefdensis
- Keflet
- Keflex
- Keflin
- Keftab
- Kefurox
- Kefzol
- keliximab
- Kelnor
- Kemadrin
- Kemeya
- Kemstro
- Kenacort
- Kenalog In Orabase
- Kenalog-10
- Kenalog-40
- Kenalog-80
- Kenalog-H
- Kenalog
- Kengreal
- Kepivance
- Keppra XR
- Keppra
- keracyanin
- Kerendia
- Kerledex
- Kerlone
- Kerydin
- Kesimpta
- Kesium
- Kesso-Gesic
- Ketalar
- ketamine
- ketanserin
- ketazocine
- ketazolam
- Ketek
- ketimipramine
- ketobemidone
- ketocaine
- ketocainol
- ketoconazole
- ketoprofen
- ketorfanol
- ketorolac
- ketotifen
- ketotrexate
- ketoxal
- Ketozole
- Keveyis
- Kevzara
- Keytruda
- Keytruda Qlex
- Khapzory
- Khedezla
- khellin
- khelloside
- Khindiv
- Kimidess
- Kimmtrak
- Kimyrsa
- Kineret
- Kinevac
- Kinlytic
- Kionex
- Kirsty
- Kisqali Femara Co-Pack (Copackaged)
- Kisqali Femara Co-Pack
- Kisqali
- Kisunla
- Kitabis pak
- kitasamycin
- Kizfizo
- Klaron
- Klebcil
- Klisyri
- Klonopin Rapidly Disintegrating
- Klonopin
- Klor-con M10
- Klor-con M15
- Klor-con M20
- Klor-con
- Kloromin
- Klotrix
- Kloxxado
- Koglucoid
- Kombiglyze XR
- Komzifti
- Konakion
- Konazol
- Konvomep
- Korjuny
- Korlym
- Korostatin
- Korsuva
- Koselugo
- Kovanaze
- Krazati
- Krintafel
- Krystexxa
- Kurvelo
- Kuvan
- Kuvan
- Kwell
- Kybella
- Kygevvi
- Kyleena
- Kymriah
- Kynamro
- Kynmobi
- Kyprolis
- Kyra
- Kytril
- '''Kyzatrex'''